Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

Examine the effect of pressure on carbonation in soda.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Make a spring collage with your child to get them outside and those creative juices flowing!

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Have your child kick off their summer vacation by making a miniature water slide!

The goal of this project is to create an exciting topographical map out of dough.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Try this chemistry experiment with your curious kid and get some "shocking" results!

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This science fair project idea produces varying pitches of sound.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.